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BOSTON MARATHON 2025

Lan Clayton

Bib: 14397•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Masters (Masters Women)
#0 / 6759
Top 10%
Division (F55-59)
#0 / 994
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:16
Rank: #9216
Start → 5K
22:16 | 7:10/mi
10K· 6.21 mi
44:43
Rank: #9436 (-220)
5K → 10K
22:27 | 7:14/mi
15K· 9.32 mi
1:07:42
Rank: #9893 (-457)
10K → 15K
22:59 | 7:24/mi
20K· 12.43 mi
1:30:48
Rank: #9941 (-48)
15K → 20K
23:06 | 7:26/mi
Half· 13.11 mi
1:35:50
Rank: #9969 (-28)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:54:02
Rank: #9912 (+57)
Half → 25K
18:12 | 7:30/mi
30K· 18.64 mi
2:19:25
Rank: #10401 (-489)
25K → 30K
25:23 | 8:10/mi
20M
2:30:58
Rank: #10679 (-278)
30K → 20M
11:33 | 8:30/mi
21M
2:40:40
Rank: #11081 (-402)
20M → 21M
9:42 | 9:42/mi
35K· 21.75 mi
2:46:30
Rank: #11042 (+39)
21M → 35K
5:50 | 7:48/mi
23M
2:56:58
Rank: #11085 (-43)
35K → 23M
10:28 | 8:22/mi
24M
3:04:44
Rank: #10981 (+104)
23M → 24M
7:46 | 7:46/mi
40K· 24.85 mi
3:11:41
Rank: #10962 (+19)
24M → 40K
6:57 | 8:08/mi
25.2M
3:15:14
Rank: #11104 (-142)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:23:32
Rank: #11191 (-87)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:50
Pace7:19 /mi
2nd Half
Distance13.11 mi
Time1:47:42
Pace8:13 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1422:167:1022:16
7:10
-
10K
6.21 mi11:14:4144:437:1222:27
7:14
+0:04
15K
9.32 mi11:37:401:07:427:1622:59
7:24
+0:10
20K
12.43 mi12:00:461:30:487:1823:06
7:26
+0:02
Half
13.11 mi12:05:481:35:507:195:02
7:23
-0:03
25K
15.53 mi12:24:001:54:027:2018:12
7:30
+0:07
30K
18.64 mi12:49:232:19:257:2925:23
8:10
+0:40
20M
20.00 mi13:00:562:30:587:3311:33
8:30
+0:20
21M
21.00 mi13:10:382:40:407:399:42
9:42
+1:12
35K
21.75 mi13:16:282:46:307:395:50
7:48
-1:54
23M
23.00 mi13:26:562:56:587:4210:28
8:22
+0:34
24M
24.00 mi13:34:423:04:447:427:46
7:46
-0:36
40K
24.85 mi13:41:393:11:417:436:57
8:08
+0:22
25.2M
25.20 mi13:45:123:15:147:453:33
10:18
+2:10
Finish
26.22 mi13:53:303:23:327:468:18
8:09
-2:09

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:10 /mi

Average Pace

7:46 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:43

22% of race

Time at Steady Pace

2:03:33

61% of race

Time at Slower Pace

35:16

17% of race

Average Pace: 7:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:1422:167:1022:16
7:10
#9216
10K
6.21 mi11:14:4144:437:1222:27
7:14
#9436
15K
9.32 mi11:37:401:07:427:1622:59
7:24
#9893
20K
12.43 mi12:00:461:30:487:1823:06
7:26
#9941
Half
13.11 mi12:05:481:35:507:195:02
7:23
#9969
25K
15.53 mi12:24:001:54:027:2018:12
7:30
#9912
30K
18.64 mi12:49:232:19:257:2925:23
8:10
#10401
20M
20.00 mi13:00:562:30:587:3311:33
8:30
#10679
21M
21.00 mi13:10:382:40:407:399:42
9:42
#11081
35K
21.75 mi13:16:282:46:307:395:50
7:48
#11042
23M
23.00 mi13:26:562:56:587:4210:28
8:22
#11085
24M
24.00 mi13:34:423:04:447:427:46
7:46
#10981
40K
24.85 mi13:41:393:11:417:436:57
8:08
#10962
25.2M
25.20 mi13:45:123:15:147:453:33
10:18
#11104
Finish
26.22 mi13:53:303:23:327:468:18
8:09
#11191
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi92161466146610879(Top 38%)2317(Top 19%)2317(Top 233%)
10K6.21 mi3.10 mi9436-2201547-811547-819721(Top 34%)1695(Top 14%)1695(Top 171%)
15K9.32 mi3.11 mi9893-4571792-2451792-24510879(Top 38%)2317(Top 19%)2317(Top 233%)
20K12.43 mi3.11 mi9941-481833-411833-4110225(Top 36%)2074(Top 17%)2074(Top 209%)
Half13.11 mi0.68 mi9969-281854-211854-2110766(Top 38%)2331(Top 19%)2331(Top 235%)
25K15.53 mi2.42 mi9912+571863-91863-910048(Top 35%)2124(Top 17%)2124(Top 214%)
30K18.64 mi3.11 mi10401-4892154-2912154-29112597(Top 44%)3613(Top 30%)3613(Top 363%)
20M20.00 mi1.36 mi10679-2782344-1902344-19013785(Top 49%)4393(Top 36%)4393(Top 442%)
21M21.00 mi1.00 mi11081-4022587-2432587-24317030(Top 60%)6264(Top 51%)6264(Top 630%)
35K21.75 mi0.75 mi11042+392598-112598-1110840(Top 38%)3023(Top 25%)3023(Top 304%)
23M23.00 mi1.25 mi11085-432660-622660-6212429(Top 44%)3959(Top 32%)3959(Top 398%)
24M24.00 mi1.00 mi10981+1042648+122648+129604(Top 34%)2610(Top 21%)2610(Top 263%)
40K24.85 mi0.85 mi10962+192676-282676-2811107(Top 39%)3452(Top 28%)3452(Top 347%)
25.2M25.20 mi0.35 mi11104-1422763-872763-8718279(Top 64%)7267(Top 59%)7267(Top 731%)
Finish26.22 mi1.02 mi11191-872849-862849-8613910(Top 49%)4900(Top 40%)4900(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10879

Females

2317

F55-59

2317

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9721

Females

1695

F55-59

1695

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10879

Females

2317

F55-59

2317

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10225

Females

2074

F55-59

2074

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10766

Females

2331

F55-59

2331

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

10048

Females

2124

F55-59

2124

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12597

Females

3613

F55-59

3613

30K→20M

18.6 - 20.0 mi

Top 49%
×5stories
+64ft-50ft

Overall

13785

Females

4393

F55-59

4393

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

17030

Females

6264

F55-59

6264

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10840

Females

3023

F55-59

3023

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

12429

Females

3959

F55-59

3959

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9604

Females

2610

F55-59

2610

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

11107

Females

3452

F55-59

3452

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18279

Females

7267

F55-59

7267

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13910

Females

4900

F55-59

4900

Passing Analysis

Category:
Athletes Passed
1208
Passed By
3178
Net Change
-1975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9216
5K → 10K146366-220#9216#9436
10K → 15K60516-457#9436#9893
15K → 20K177224-48#9893#9941
20K → Half1643-28#9941#9969
Half → 25K172115+57#9969#9912
25K → 30K109596-489#9912#10401
30K → 20M58336-278#10401#10679
20M → 21M26428-402#10679#11081
21M → 35K7839+39#11081#11042
35K → 23M95138-43#11042#11085
23M → 24M13228+104#11085#10981
24M → 40K7960+19#10981#10962
40K → 25.2M11153-142#10962#11104
25.2M → Finish49136-87#11104#11191
TOTALS12083178-1975
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing